Which of the following statements is true?
 Recessive alleles are displayed in the phenotype even when a dominant allele is present 
 Recessive alleles are 'carried' in the genotype
 Two recessive alleles is a deadly genetic combination and organisms with this genotype do not survive 
 Heterozygous individuals have two of the same allele 
 Recessive alleles do not get passed on to the next generation once they have been masked by a dominant allele